◆ Built-in Bluetooth module, support Bluetooth audio input/output communication
◆ Analog two-channel output, four-channel input
◆ Standard configuration supports SPDIF digital interface
◆ Support basic and commonly used electroacoustic parameter test functions, adapt to 97% production line test
◆ Support LabVIEW, VB.NET, C#NET, Python and other languages for secondary development
◆ Automatically generate test reports in various formats
| digital output | |
| number of channels | 1 channel, unbalanced | 
| output standard | Standard SPDIF-EAIJ (IEC60958) | 
| Sampling Rate | 44.1kHz ~ 192kHz | 
| Sample Rate Accuracy | ±0.001% | 
| signal type | Sine wave, dual-frequency sine wave, out-of-phase sine wave, frequency sweep signal, square wave signal, noise signal, WAVE file | 
| Signal frequency range | 2Hz ~ 95kHz | 
| digital input | |
| Number of channels | 1 channel, unbalanced | 
| output standard | Standard SPDIF-EAIJ (IEC60958) | 
| Voltage measurement range | -110dBFS ~ 0dBFS | 
| Voltage Measurement Accuracy | < 0.001dB | 
| THD+N measurement | support | 
| analog output | |
| number of channels | 2 channels, balanced / unbalanced | 
| signal type | Sine wave, dual-frequency sine wave , out-of-phase sine wave, frequency sweep signal, noise signal, WAVE file | 
| Frequency Range | 10Hz ~ 20kHz | 
| Output voltage | Balanced : 0–1 Vrms ; Unbalanced : 0–1 Vrms | 
| flatness | ±0.1dB ( 10Hz–20KHz ) | 
| Residual THD+N | < -103dB @ 1kHz 1.0V | 
| analog input | |
| number of channels | 4 channels, balanced / unbalanced | 
| Voltage measurement range | balance 0 - 1Vrms ; unbalanced 0 - 1Vrms | 
| Voltage Measurement Flatness | ±0.1dB ( 20Hz~20kHz ) | 
| Single Harmonic Analysis | 2 to 10 times | 
| residual input noise | <-108dBu @ 1kHz 1.0V | 
| Maximum FFT length | 1248k | 
| Intermodulation Distortion Mode | SMPTE , MOD , DFD | 
| Frequency measurement range | 10Hz ~ 22kHz | 
| bluetooth module | |
| bluetooth module | Single-channel Bluetooth Dongle , can connect to 1 Bluetooth audio address at the same time | 
| A2DP channel | Single Channel Input: SPDIF IN (Digital) / Wireless Output: Wireless (Bluetooth) | 
| HFP channel | 1-channel input: HFP IN (analog) / 1-channel output: HFP OUT (analog) | 
| bluetooth protocol | A2DP , HFP , AVRCP , SPP | 
| bluetooth version | V5.0 | 
| RF transmit power | 0dB (max 6dB ) | 
| RF receiver sensitivity | -86dB | 
| A2DP encoding method | APT-X , SBC | 
| A2DP sampling rate | 44.1k | 
| HFP sampling rate | 8K / 16K (automatic adaptation) |